2020年6月15日
C - Lamps
摘要： We have N bulbs arranged on a number line, numbered 1 to N from left to right. Bulb i is at coordinate i. Each bulb has a non-negative integer paramet 阅读全文
posted @ 2020-06-15 15:17 asunayi 阅读(217) 评论(0) 推荐(1)